Top 15 Best 120V To 100V Step Down Transformer of 2023 (Reviews)

With all the alterations to societal and technical circumstances, almost everything is seemingly accessible now with just a few clicks. When you shop online, you can get anything you want as easily as possible.

Just like how it has opened the floodgates for consumers over the years, the internet makes shopping a more streamlined process today.  But you shouldn’t spend hard-earned cash without thinking twice.

That means that you must explore all aspects of buying with regard to finding the best 120V To 100V Step Down Transformer, you have to be careful with your cash, so it’s all up to you. Fret not; thankfully, we’re here to make the right decision.

This Table Will Be Very Helpful For Choosing A Best Product

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Place Image Product Information Score
1 VCT VT-500J - Japanese Step Up/Down Voltage Transformer Converts Japan 100 Volts To 110V OR Vice Versa - 500 Watt VCT VT- J - Japanese Step Up by VCT
9.7
2 120V to 100V Voltage Converter 1600watts Step Down toroidal Voltage Converter for Japan appliances Used in US[CE, CQC Certified] V to V Voltage Converter watts Step by V
9.8
3 ZHENGXI Step Down Transformer 120v to 100v Voltage Converter 2000W, No Noise, Ten Protection Functions, Using Japan Appliances in US ZHENGXI Step Down Transformer v to v by ZHENGXI
9.4
4 NISSYO industrial transformer NDF series (voltage down) 120V 100V1500W NDF-1500U (japan import) NISSYO industrial transformer NDF series voltage down by NISSYO
9.7
5 Simran SM-1000J Step Up and Down Japanese Transformer 1000W; Can be used only in 100 and 120 volt countries; Will convert from 120 volt to 100 volt AND from 100 volt to 120 volt.; Fuse protected; Heavy duty continuous use; Power ON/OFF Switch Simran SM- J Step Up and Down by Simran
9.8
6 UMI 220V to 110V Voltage Power Converter Step Down Transformer 1600 Watts Capacity with 2 Output Voltages 110V and 100V, White UMI V to V Voltage Power Converter by UMI
9.5
7 VCT 100 Watt Japan to USA 100V / 110V / 120V Step Up Down Voltage Converter Transformer for Use in Both USA and Japan, VT-100JU VCT Watt Japan to USA V V by VCT
9.4
8 UMI 220V to 110V Step Down Voltage Converter 2400Watts with 110V and 100V Output for Using US and Japan Appliance in Asia or Europe UMI V to V Step Down Voltage by UMI
9.4
9 Voltage Converter 2300W Power Step Down 220V to 120V Universal Travel Adapter Power Converter Power Transformer w/3 AC outlets 3USB Ports 1 Type-C International Plug Converters Over 180 Countries Voltage Converter W Power Step Down V by Voltage
8.9
10 PowerBright VC-3000J Japanese Step Up/Down Transformer, 3000 Watts, Converts 100V to 120V and 120V to 100V PowerBright VC- J Japanese Step Up Down by PowerBright
9.2

15 Best 120V To 100V Step Down Transformer Reviews & Buying Guide

Bestseller No. 1

120V to 100V Voltage Converter 1600watts Step Down toroidal Voltage Converter for Japan appliances Used in US[CE, CQC Certified]

Popularity Score 9
Quality Score 9.6
Sentiment Score 9.3

Highlighted Features

  • Step Down voltage converter: Your original power supply is 120V like in US, Canada, Mexico, UMI converter will produce 100V for your Japan electronics.
  • Surge-protector: All our 120v to 100v step down voltage converter is equipped with surge-protector to protect your home circuit from circuit breakers trip and fuse blow.
  • Toroidal Transformer: With ultra-thin ring-type transformer, slim, small size(7*18.5*24cm/2.76"*7.28"*9.45"), light weight(4kg/8.88LB), energy saving, quiet and high efficiency; CE & CQC Certified!
  • 2 outlet sockets: Can use 2 electrical appliances work at 100v simultaneously, just make sure the total power consumption do not exceed the rated power 1600w.
  • Display: Shows the input voltage and power consumption, easy to know the step down voltage converter working status.

Additional Info :

Brand V
Color Unknown
Item Dimensions
Height 8
Width 38
Length 42
Weight 31.9
Bestseller No. 2

ZHENGXI Step Down Transformer 120v to 100v Voltage Converter 2000W, No Noise, Ten Protection Functions, Using Japan Appliances in US

Popularity Score 9.4
Quality Score 9.8
Sentiment Score 9.8

Highlighted Features

  • 【Efficient Voltage Conversion】: Our 2000W Step Down Transformer converts 120V to 100V, making it perfect for use with coffee machines, hair dryers, kettles, rice cookers, and other Japan appliances.
  • 【Safe and Reliable】: With 8 years of experience in transformer development and production, our ZHENGXI brand is widely recognized for its quality and reliability. Our transformer has passed CE & CQC certification and comes with 10 protection functions, including overload protection, over-voltage protection, and overheating protection.
  • 【Quiet and Compact】: Unlike bulky and noisy converters, our upgraded 120 to 100 Voltage Converter is designed to be quieter, more efficient, and thinner. It also has suction cups on the bottom to prevent it from falling down.
  • 【Easy to Use】: To ensure safety, we recommend using appliances not exceeding 1600W with our transformer. Simply check the power and voltage of your appliances before purchasing and contact us if you have any questions during use.
  • 【Satisfaction Guaranteed】: We stand behind our product and offer a satisfaction guarantee. If you're not completely satisfied with your purchase, please contact us for a full refund or replacement.

Additional Info :

Brand ZHENGXI
Color Black
Item Dimensions
Height 7
Width 21
Length 28
Weight 51.6
SaleBestseller No. 3

VCT VT-500J - Japanese Step Up/Down Voltage Transformer Converts Japan 100 Volts To 110V OR Vice Versa - 500 Watt

Popularity Score 9
Quality Score 9.6
Sentiment Score 9.5

Highlighted Features

  • This continuous use transformer is capable of both up and down voltage conversions for Japan and USA electricity to enable use of Japanese products in USA and USA products in Japan
  • 500 Watts is the maximum capacity of this transformer including the power surge
  • It converts 110/120 volt USA power to 100 volt Japan power AND 100 volt to 110/120 volts (means it will convert the American power to Japanese power and also convert Japanese power to American)
  • Power ON/OFF Switch. Fuse protection for safety
  • Remember to leave at least a 100% margin for power surges/spike when buying a transformer. For power tools, laser printers and heating appliances like Rice cookers, coffee makers, toasters, halogen or fluorescent bulbs you must leave a power spike margin of 4 times. Please Note: Kindly refer the User Manual before use.

Additional Info :

Brand VCT
Color White
Item Dimensions
Height 19
Width 25
Length 35
Weight 20.82
Bestseller No. 4

PowerBright 500 Watts Japanese Voltage Transformers, Step Up and Down Japan Converter, can be Used in 120 Volt and 100V Countries, Convert from 120V to 100V and 100V to 120V, Universal Outlet Socket

Popularity Score 9.5
Quality Score 9.4
Sentiment Score 9.7

Highlighted Features

  • 500 WATT STEP UP / DOWN JAPANESE VOLTAGE TRANSFORMER - This step up and step down voltage transformer can be used for small electronic appliances. This is the best step Up/Down Japanese voltage converter on the market
  • HIGH VOLTAGE TRANSFORMER- This power transformer can be used in 120 Volt countries in North America and Japan is 100 Volts. It will convert from 120 Volt to 100 Volt AND from 100 Volt to 120 Volt.
  • CE CERTIFIED VOLTAGE CONVERTER - The CE marking is a certification mark that indicates conformity with health, safety, and environmental protection standards.
  • FUSE PROTECTED POWER TRANSFORMER - Two outlets on front of the unit, on/off power switch with indicator light. includes free two spare fuses.
  • 1 YEAR PARTS & LABOR WARRANTY - Specialized customer service team & technical installation support via email, phone or chat.

Additional Info :

Brand PowerBright
Color Multicolor
Item Dimensions
Height 9
Width 32
Length 43
Weight 86.48
Bestseller No. 5

VCT 100 Watt Japan to USA 100V / 110V / 120V Step Up Down Voltage Converter Transformer for Use in Both USA and Japan, VT-100JU

Popularity Score 9.2
Quality Score 9.6
Sentiment Score 9.1

Highlighted Features

  • 100 Watts is the maximum capacity of this transformer including the power surge. This Step up and Step down voltage converter can only be used for small electronics
  • This continuous use transformer is capable of both up and down voltage conversions for Japan and USA electricity to enable the use of Japanese products in the USA and USA products in Japan
  • It converts 110/120 volt to 100V AND 100 volt to 110/120 volts, (means it will convert the American power to Japanese power and also convert Japanese power to American
  • Fuse protection for safety and Indicator On/Off light. Comes with 2-extra fuses
  • You must leave at least a 100% margin for power surges/spike when buying a transformer. You cannot use a device rated over 50 watts with this converter

Additional Info :

Brand VCT
Color Unknown
Item Dimensions
Height 10
Width 29
Length 33
Weight 58.32
Bestseller No. 6

NISSYO industrial transformer NDF series (voltage down) 120V 100V1500W NDF-1500U (japan import)

Popularity Score 9.7
Quality Score 8.9
Sentiment Score 9.8

Highlighted Features

Additional Info :

Brand NISSYO
Color White
Item Dimensions
Height 15
Width 25
Length 27
Weight 62.17
Bestseller No. 7

Simran SM-1000J Step Up and Down Japanese Transformer 1000W; Can be used only in 100 and 120 volt countries; Will convert from 120 volt to 100 volt AND from 100 volt to 120 volt.; Fuse protected; Heavy duty continuous use; Power ON/OFF Switch

Popularity Score 9.7
Quality Score 9.3
Sentiment Score 9.8

Highlighted Features

  • This transformer is capable of both up/down voltage conversions for Japan/USA
  • Converts from 120 volt to 100 volt & from 100 volt to 120 volts
  • Rated Load: 1000 Watts max including power surge
  • Heavy duty for continuous use. Power ON/OFF Switch. Fuse protected.
  • Leave a 100% margin for power spike when using transformers. For the TVs, Refrigerators, surge margin is 3 times the wattage. Heating appliances, laser printers and power tools require 4 times margin.

Additional Info :

Brand Simran
Color White
Item Dimensions
Height 8
Width 38
Length 33
Weight 58.55
SaleBestseller No. 8

Pyle Step Up and Down Converter - 500 Watt Voltage Converter Transformer w/ USB Charging Port, UK Power Adapter, AC 110 / 120 to 220 / 240 Volt Vice Versa, 110V/120V/220V/240V Input Voltage-PVTC320U

Popularity Score 9.7
Quality Score 9.7
Sentiment Score 9.8

Highlighted Features

  • VOLTAGE CONVERSION: The Step Up/Down Voltage Converter offers a safe, cost-effective and easy solution to converting voltages from 110-120V up to 220-240V or from 220-240 volts down to 110-120 volts for both home use and commercial applications
  • 3 MODE OUTPUT: Features 3 total outputs ― 2 are grounded outputs, one designated for 120V w/ a US standard outlet and 220V only w/ a universal outlet, and 5V standard USB jack. These three outputs can be used simultaneously and continuously
  • UNIVERSAL APPLICATION: This voltage transformer allows you to use your devices and appliances anywhere in the world. The four selectable input voltages 110V/120V/220V/240V lets you use the appropriate voltage depending on the electronic requirement
  • COMPACT SIZE: The step-down regulator’s compact size of only 7”L x 7”W x 5”H allows for easy transport. The portable design lets you conveniently bring it when traveling to other countries. Includes heavy-duty power cord and standard US 3-prong plug
  • FUSE/CIRCUIT PROTECTION: The 500-watt voltage supply is equipped w/ fuse and circuit protection for safety and security as well as ensuring the longevity of connected devices/appliances. Comes w/ 2 spare fuses and a universal European power adapter

Additional Info :

Brand Pyle
Color Off-white
Item Dimensions
Height 13
Width 23
Length 24
Weight 34.5
SaleBestseller No. 9

ROCKSTONE POWER 5000 Watt Voltage Converter Transformer - Heavy Duty Step Up/Down AC 110V/120V/220V/240V Power Converter - Circuit Breaker Protection – DC 5V USB Port - CE Certified [3-Year Warranty]

Popularity Score 9.8
Quality Score 8.9
Sentiment Score 9.2

Highlighted Features

  • 5000 Watts Heavy Duty Step Up/Down Voltage Transformer Converter. Step Up Voltage from 110-120 Volts to 220-240 Volts. Step Down Voltage from 220-240 Volts to 110-120 Volts.
  • Patented Simultaneous 3-Mode Output: 5V USB Port / 120V USA Output Socket / 220V Universal Output Socket. CE Certified. 3-Year Manufacturer's Limited Warranty. Metal Casing. Full Range Fuse Protection. Full Range Over Current Protection.
  • RockStone Power proudly supports the United States Military since 2001, and have became a proud supplier for Tesla Inc. since 2018. Shipping is available to all Overseas Military APO/FPO/DPO addresses.
  • For safety reasons, it's recommended to use a Voltage Converter/Transformer that's max watts is at least 50% higher than your appliance. For example; 5,000 transformer can be only be used with an appliance that uses up to 3,300 Watts that is to prevent damage from the transformer itself and the appliance being used.
  • Package Contents: Rockstone Power 5000 Watt Heavy Duty Voltage Transformer Converter, Hardwired Heavy Duty Insulated Power Cord with USA Grounded 3-Prong Plug, American to European Grounded Schuko Wall Outlet Plug Adapter, 2 PCS Spare Fuses, and Instruction Manual.

Additional Info :

Brand ROCKSTONE
Color Black
Item Dimensions
Height 15
Width 39
Length 31
Weight 36.06
Bestseller No. 10

Brocket Hall (Full UK-Length Edition)

Popularity Score 9.8
Quality Score 8.9
Sentiment Score 9.4

Highlighted Features

  • Amazon Prime Video (Video on Demand)
  • Tom Vaughan (Director) - Daisy Goodwin (Writer) - Paul Frift (Producer)
  • English (Playback Language)
  • English (Subtitle)

Additional Info :

Brand Brocket
Color Grey
Item Dimensions
Height 13
Width 28
Length 29
Weight 21.28
Bestseller No. 11

UMI 220V to 110V Voltage Power Converter Step Down Transformer 1600 Watts Capacity with 2 Output Voltages 110V and 100V, White

Popularity Score 9
Quality Score 9.3
Sentiment Score 9.2

Highlighted Features

  • UMI power 1600 watt voltage converter transformer step down 220v to 110v, Convert from 220-240 Volt to 100-120 Volt.
  • With LED display and clearly display input voltage and output power, can use 2 equipments (one is with 110V, the other one is with 100V) simultaneously, just the total power consumption not exceed the rated power(1600W) of the converter.
  • High-quality voltage converter transformer, slim, small size(7 * 18.5 * 24cm/2.76" * 7.28" * 9.45"), light weight(7kg/15.4LB), energy saving, quiet and high efficiency, Long time use.
  • Safety: CE & CQC Certified! Built-in microcomputer control system, assure multiple protections: surge protection, over power protection, over-current protection, thermal protection, overload protection, short circuit protection.
  • NOTICE: 1600W rated, please DO NOT overloaded, it will be alarming or even turn off automatically!

Additional Info :

Brand UMI
Color Unknown
Item Dimensions
Height 4
Width 22
Length 31
Weight 14.13
Bestseller No. 12

ZHENGXI Isolation Transformers 120V to 120V,500W Transformer 120V to 100V Step Down Voltage Converter for Japan Appliances Used in US, 2 Output Sockets

Popularity Score 9.8
Quality Score 9.6
Sentiment Score 9.2

Highlighted Features

  • 【500W Isolation Transformer 120v to 120v】: This isolation transformer can effectively filter out noise, improve sound quality, reduce distortion, and purify the power supply
  • 【Step Down Transformer 120v to 100v】: This transformer can also convert the US voltage 120V to 100V, suitable for Japanese appliances used in US
  • 【2 Output Sockets】:With 2 output sockets(120V and 100V),works with both American and Japanese appliances
  • 【HD Display】:Intelligent LCD display, clearly show the working status
  • 【Six Protection Functions】: 1. Over-voltage protection 2. Under-voltage protection 3. Overload protection 4. Over-temperature protection 5. Time-delay protection 6. Short-circuit protection

Additional Info :

Brand ZHENGXI
Color Multicolor
Item Dimensions
Height 15
Width 30
Length 31
Weight 51.71
SaleBestseller No. 13

Yinleader 1500W Step Up & Step Down Voltage Transformer Converter 220V/230V/240V to 110V/120V or 110V to 220V Power Converter w/US Power Cord,Circuit Breaker Protection

Popularity Score 9.4
Quality Score 8.9
Sentiment Score 9.7

Highlighted Features

  • 【Voltage transformer (220V to 110V, 110V to 220V)】We provide you a safe, dependable, stable, cost-effective & easy solution to converting voltages from 110 volts up to 220 volts or from 220 volts down to 110 volts.
  • 【Multi-function】The Voltage Converter Transformer can be used with any kind of appliance or device, like CPAP Machine, Electrical toothbrush , Hair Straightener, Laptop, Mobile phones, Curling Irons, Heating Pad, Television, Xbox, etc.
  • 【7x24hrs Continous Run】High efficiency toroidal transformer with stable output and low consumption.It has passed the Temperature Rise Test and IEC test report.
  • 【Sockets】: 4 AC outputs, 2 US Standard Socket for 110-120V appliance(s) & 2 Universal Sockets accept all types of plugs except the Big South African plug for 220-240V appliance(s).The transformer can be used in countries which voltage are 90V~125V or 180V~250V such as US, EUR, UK, JP and more.
  • 【Safe】Dual circuit breakers protective for each voltage that is safe operation.If you have any questions,please feel free to contact us.

Additional Info :

Brand Yinleader
Color Unknown
Item Dimensions
Height 7
Width 37
Length 41
Weight 15.6
Bestseller No. 14

ZGROCK 1500W Voltage Converter Transformer Heavy Duty Step Up/Down- 110 / 220V- Circuit Breaker Protection

Popularity Score 9.1
Quality Score 9.5
Sentiment Score 9.6

Highlighted Features

  • Up to 1500 Watt Maximum Capacity, Heavy Duty Step Up/Down Voltage Converter Transformer (110/120V 220/240V)
  • There are a total of two outputs on the front panel.1 x 110V Socket, 1 x Universal 220V Socket.
  • Dual Circuit Breakers Protection for Each Voltage (120V & 220V) 1 x 110V Socket, 1 x Universal 220V Socket.
  • Portable Design: The handle on our step up & down transformer enables you to carry it anywhere on trip and make your life surrounded by electrical appliances easier

Additional Info :

Brand ZGROCK
Color Off-white
Item Dimensions
Height 16
Width 39
Length 41
Weight 46.96
Bestseller No. 15

100W Power Converter AC110V/120V to 220V/240V Step-Up&Down Voltage Converter Travel Adapter Transformer

Popularity Score 9.5
Quality Score 9.3
Sentiment Score 9.6

Highlighted Features

  • CONVERT INPUT/OUTPUT VOLTAGE: It is mainly used to convert input and output voltage between voltage in different foreign countries
  • DURABLE: Imported materials, high performance transformer and special circuit precision manufacturing, with long serving life
  • STEP UP/DOWN VOLTAGE: Dual channel voltage Converter from 110/120V to 220/240V, also can change from 220/240V to 110/120V
  • FOR SMALL APPLICANSES: Can meet the use of various small appliances (limited 50W small appliances)
  • PORTABLE: Small size and light weight, ideal for traveling to anywhere, very convenient

Additional Info :

Brand W
Color Silver
Item Dimensions
Height 19
Width 24
Length 43
Weight 55.38

Thing to Consider Before When Buying Best 120V To 100V Step Down Transformer

Here we’ve structured a buying guide that contains a comprehensive understanding of features for choosing the 120V To 100V Step Down Transformer according to your needs. We considered multiple features in this guide, such as expense, level of quality, and capability, to aid you in picking the right product.

Budget and Cost

Since you have to be careful with your budget in every circumstance, it is important to consider economic aspects when trying to find the 120V To 100V Step Down Transformer.

Don’t allow yourself to be tempted into spending more than you need to. Given enough attention, you may get only the best experience out of the items they stock, so you spend a bit more to take the merchandise you are most familiar with.

Choose a budget, and then stick to that budget. Don’t bail on buying an item because it was marked down or was a sale item, even if it seems cheap.

Construction

Many people think that the product’s mass is the primary matter in purchasing it. But what if you could find a way to procure a quality product that works as well and simultaneously saves you a little cash?

When buying any product, it’s important to consider the materials used in the construction. Since products have to withstand continued use, validity is especially important.

Different materials have distinct strengths and weaknesses, with impacts extending to how well the product functions over its life. Plus, the materials may also give rise to unique qualities that may be beneficial or necessary for a product.

Seek out products constructed of sturdy materials. These products can tolerate wear and tear and outweigh others in terms of durability.

Quality Assurance

Now that you understand which 120V To 100V Step Down Transformer options to consider, you can set up a budget and consider making a good spending intent. But, whatever money you invest, it should pay for itself in excess of the product’s qualities and certifications.

If you look at everything, you learn more about the product’s features and designs. Quality assurance ensures that the product meets the standards the producer sets, while certifications indicate that it’s legally held.

Customer Rating

Everyone understands that it’s beneficial to probe all available information about a product before making a purchase. Nevertheless, there are times when under a crunch, you just don’t have the time or money to properly investigate the alternatives on offer.

If you find yourself in a tough position like this, you may buy the same thing after evaluating the trustworthiness of customer reviews.

Customized evaluations can allow you to determine if a product is an ideal fit for you and how much satisfaction to expect from it. You can avoid disappointment and save money and time by identifying what others say about a product.

Brand Value

Brand value is the essence of a company’s identity as well as the estimation of a product’s worth in the marketplace. The intangible quality distinguishes one brand from another and helps people identify with that company. It is a measure of a product’s ability to impact its consumers positively and, in turn, its business.

Online shoppers who regularly buy products on the internet, particularly these individuals, tend to put more trust in companies whose reputation has been consistent.

You should think carefully about how a brand’s reputation has changed, now is an excellent time to consider what trends you should take into account.

Return and Refund Policies

It is essential that an online retail shop, which you are looking to patronize, has an established process for requesting refunds on purchases. It’s important for the online merchant to disclose how returns are made clearly, and if there is any possibility of eliminating associated costs.

In most cases, online purchases grant you protection because we can’t check the condition of the items before you take them. So, ensuring you can get a refund when you’re uncertain about whether the products you’ve acquired will be the same as you expected can give you peace of mind.

Frequently Asked Questions

Our team has compiled the answers to several common queries regarding the 120V To 100V Step Down Transformer. Getting a response to the queries will allow you to understand users’ feelings better when referring to certain questions or solutions to common problems.

Do the 120V To 100V Step Down Transformer cost more than the others?

An old saying goes something like this: From the moment you make your purchase, you’re investing. At its core, this is a valid point. No matter what the product may be, when it’s of higher quality, it will cost more to produce. This is sometimes the case with luxury goods that are said to be better for enhanced reputation.

Should you review after-sales service before proceeding with a transaction?

After-sales service is a critical part of any business. It ensures that your customers feel satisfied with their purchase and that you can continue to serve them in the future. Reviewing your after-sales service before making a purchase can save you time and money.

Should I risk buying the best 120V To 100V Step Down Transformer that doesn’t have a warranty?

Product warranties are important for consumers because they provide peace of mind in knowing that their products will work as they should and that they have a recourse if something goes wrong. However, it is important to balance the need for a warranty with the cost of purchasing a product. In the end, it is worth the money to have peace of mind about your product backed by warranty.

FINAL THOUGHTS

Our review and buying guide has paved the way for customers to make an informed choice when hunting for the best 120V To 100V Step Down Transformer. Don’t hesitate to reach out to us if you have any additional questions.

We also want to let readers know that their own review may not be entirely consistent with the perspectives reflected in those from our genuine experiences.

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